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NCT06279767

Efficacy and Safety of TMZ Plus 6-MP in the Patients With Recurrent Glioblastoma

Status unknown Phase 1, PHASE2 Last updated 28 February 2024
What this trial tests

Phase 1, PHASE2 trial testing 6-mercaptopurine in Glioblastoma in 27 participants. Status unknown.

Timeline
1 July 2022
Primary endpoint
1 July 2025
31 July 2025

Quick facts

Lead sponsorThe First Affiliated Hospital with Nanjing Medical University
PhasePhase 1, PHASE2
StatusStatus unknown
Study typeINTERVENTIONAL
Allocationna
Designsingle group
Maskingnone
Primary purposetreatment
Enrollment27
Start date1 July 2022
Primary completion1 July 2025
Estimated completion31 July 2025
Sites1 location across China

Drugs / interventions tested

Conditions studied

Sponsor

The First Affiliated Hospital with Nanjing Medical University

Who can join

Adults 18 to 65, any sex, with Glioblastoma or Cancer. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Glioblastoma, the most prevalent malignant tumor in the central nervous system, is characterized by high invasiveness and a propensity to recur, contributing to a relatively elevated mortality rate. Patients diagnosed with high-grade glioblastomas typically experience a median survival period of less than 14 months. Presently, the standard treatment for glioblastoma involves surgical resection combined with postoperative radiotherapy and chemotherapy, with postoperative chemotherapy playing a pivotal role in enhancing patient prognosis. Temozolomide (TMZ), a cutting-edge oral alkylating agent known for its advantageous properties, including easy traversal of the blood-brain barrier, induces DNA alkylation in tumor cells, fostering apoptosis. Currently, it serves as a frontline medication for postoperative chemotherapy in glioblastoma. However, clinical resistance to TMZ chemotherapy significantly hampers its efficacy in later stages. We have recently discovered and validated that 5-aminoimidazole-4-carboxamide (AICA), derived from TMZ, can transform into 5-aminoimidazole-4-carboxamide ribonucleotide-5-phosphate (AICAR) in GBM cells. Hypoxanthine phosphoribosyltransferase 1 (HPRT1) has been identified as the catalyst for the AICA reaction, generating AICAR. AICAR acts as an endogenous activator of AMP-activated protein kinase (AMPK), fostering chemoresistance in glioblastoma through the activation of the AMPK signaling pathway. 6-mercaptopurine (6-MP) competes effectively to inhibit HPRT1 activity, thereby impeding TMZ-induced AMPK activation and significantly heightening glioblastoma cell sensitivity to TMZ. In this project, we propose an innovative strategy involving the combination of 6-MP with TMZ for the treatment of glioblastoma.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Metabolic reprogramming in cancer and senescence.
    Zhang Y, Tang J, Jiang C, Yi H, et al · · 2025 · cited 13× · PMID 40046406 · DOI 10.1002/mco2.70055

Verify or expand the search:

Other trials of 6-mercaptopurine

Trials testing the same drug.

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Trials by the same sponsor.

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Data sources for this page

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